Question

usando a regra pratica determine o minimo comum e o maximo divisor comum entre os numeros: a)45 e 168 b)140 ,168 e 240 c)30 ,175,980

Answer 1

Resposta:

Oi...

O MMC e MDC de:

a)

45, 168/2

45, 84/2

45, 42/2

45, 21/3

15, 7/3

5, 7/5

1, 7/7

1, 1  

MMC = 2.2.2.3.3.5.7 = 2520

MMC = 2520

MDC =  3

b)

140, 168, 240/2

70, 84, 120/2

35, 42, 60/2

35, 21, 30/2

35, 21, 15/3

35, 7, 5/5

7, 7, 1 /7

1, 1, 1  

MMC = 2.2.2.2.3.5.7 = 1680

MMC = 1680

MDC = 2.2 = 4

MDC = 4

c)

30, 175, 980/2

15, 175, 490/2

15, 175, 245/3

5, 175, 245/5

1, 35, 49/5

1, 7, 49/7

1, 1, 7/7

1, 1, 1  

MMC = 2.2.3.5.5.7.7 = 14700

MMC = 14700

MDC = 5